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| author | Stefan Berger <stefanb@linux.vnet.ibm.com> | 2011-11-11 17:57:04 (GMT) |
|---|---|---|
| committer | Rajiv Andrade <srajiv@linux.vnet.ibm.com> | 2011-11-16 11:42:59 (GMT) |
| commit | 68d6e6713fcb2ea6278661aaaf5f1c9c821b3751 (patch) | |
| tree | fb02641cb1941a6d9c23ac3df37d6aafcd4f7f3a /drivers/char/tpm/tpm_tis.c | |
| parent | d97c6ade5926afb6d52df36c33a3491d62cd0dc0 (diff) | |
| download | linux-fsl-qoriq-68d6e6713fcb2ea6278661aaaf5f1c9c821b3751.tar.xz | |
tpm: Introduce function to poll for result of self test
This patch introduces a function that runs the TPM_ContinueSelfTest()
function and then polls the TPM to check whether it finished the selftest
and can receive new commands.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 3f4051a..d30d5c3 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -616,6 +616,12 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, /* get the timeouts before testing for irqs */ tpm_get_timeouts(chip); + if (tpm_do_selftest(chip)) { + dev_err(dev, "TPM self test failed\n"); + rc = -ENODEV; + goto out_err; + } + /* INTERRUPT Setup */ init_waitqueue_head(&chip->vendor.read_queue); init_waitqueue_head(&chip->vendor.int_queue); @@ -722,7 +728,6 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, list_add(&chip->vendor.list, &tis_chips); spin_unlock(&tis_lock); - tpm_continue_selftest(chip); return 0; out_err: @@ -790,7 +795,7 @@ static int tpm_tis_pnp_resume(struct pnp_dev *dev) ret = tpm_pm_resume(&dev->dev); if (!ret) - tpm_continue_selftest(chip); + tpm_do_selftest(chip); return ret; } |